As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O WX RADAR DISPLAYS "WXR RANGE DISAGREE" AT ALL SELECTED RANGES. CA RADAR FUNCTIONS NORMALLY. GROUNDED-YES. VERIFIED FAULT ON F/O NAV DISPLAY. ACCOMPLISHED TROUBLESHOOTING, REF B737-900 FIM 34-43 TASK 809. REPLACED WXR TRANSCEIVER AND ACCOMPLISHED SUCCESSFUL OPERATIONAL TEST, REF B737-900 AMM 34-43-41 AND 34-43-00.